141018 (2001 WC47)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2410885219 ± 2.37e-09
Semi-major axis (a)1.3986835315 AU ± 4.83e-10
Inclination (i)2.86931443° ± 3.16e-07
Long. of Asc. Node (Ω)91.59689055° ± 9.08e-06
Arg. of Perihelion (ω)101.46958094° ± 8.15e-06
Mean Anomaly (M)84.09314752° ± 1.97e-06
Mean Motion (n)0.5958447047°/day ± 3.09e-10
Perihelion dist (q)1.06147699 AU ± 3.34e-09
Aphelion dist (Q)1.73589008 AU ± 3.37e-09
Orbital Period1.65416639 yr ± 8.57e-10
Physical Parameters
H (abs. magnitude)19.04
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.274″
Uncertainty0
Orbit TypeAmor
MOID0.078185 AU
Observations Used1601
Radar Obs Used4
Oppositions8
Arc Total1991-2012
First Observation Used1991-12-07
Last Observation Used2025-03-20
Observations (1697)
Date Type RA Dec Mag Band Observatory
2012-03-13 11:17:57 C 09 27 18.35 +41 58 58.1 u 379
2012-03-13 11:26:13 C 09 27 18.74 +41 59 02.5 u 379
2012-03-13 11:34:47 C 09 27 19.10 +41 59 06.7 u 379
2012-03-13 11:37:27 C 09 27 19.23 +41 59 08.1 u 379
2012-03-13 11:40:07 C 09 27 19.38 +41 59 09.5 u 379
2012-03-13 11:45:52 C 09 27 19.62 +41 59 12.5 u 379
2012-03-13 11:48:32 C 09 27 19.74 +41 59 13.9 u 379
2012-03-13 22:52:01 C 09 28 01.27 +42 03 48.3 c A24
2012-03-13 22:53:04 C 09 28 01.32 +42 03 48.6 c A24
2012-03-13 23:59:05 C 09 28 04.72 +42 04 11.9 c A24
2012-03-14 00:00:07 C 09 28 04.79 +42 04 12.3 c A24
2012-03-14 09:41:45 C 09 28 52.02 +42 08 23.3 u 379
2012-03-14 10:21:42 C 09 28 54.14 +42 08 44.2 u 379
2012-03-14 10:24:22 C 09 28 54.31 +42 08 45.7 u 379
2012-03-14 10:27:02 C 09 28 54.40 +42 08 47.1 u 379
2012-03-14 10:42:17 C 09 28 55.21 +42 08 55.1 u 379
2012-03-14 10:44:57 C 09 28 55.36 +42 08 56.5 u 379
2012-03-14 10:47:38 C 09 28 55.46 +42 08 57.8 u 379
2012-03-14 21:21:36 C 09 29 40.82 +42 13 20.1 u J51
2012-03-14 21:28:46 C 09 29 38.57 +42 13 07.6 u 160
2012-03-14 21:31:05 C 09 29 38.69 +42 13 08.5 u 160
2012-03-14 21:33:22 C 09 29 38.82 +42 13 09.4 u 160
2012-03-14 21:43:01 C 09 29 41.90 +42 13 30.1 u J51
2012-03-14 22:04:42 C 09 29 42.96 +42 13 39.8 u J51
2012-03-14 22:28:44 C 09 29 41.96 +42 13 27.9 c A24
2012-03-14 22:29:47 C 09 29 42.01 +42 13 28.2 c A24
2012-03-14 23:38:32 C 09 29 45.81 +42 13 50.5 c A24
2012-03-14 23:39:34 C 09 29 45.87 +42 13 50.7 c A24
2012-03-15 12:06:16 C 09 30 45.14 +42 18 51.8 u 379
2012-03-15 12:18:55 C 09 30 45.82 +42 18 57.2 u 379
2012-03-15 12:30:16 C 09 30 46.40 +42 19 01.2 u 379
2012-03-15 12:32:55 C 09 30 46.55 +42 19 02.3 u 379
2012-03-15 12:53:04 C 09 30 47.63 +42 19 10.0 u 379
2012-03-15 13:01:19 C 09 30 48.04 +42 19 12.8 u 379
2012-03-15 13:03:59 C 09 30 48.18 +42 19 13.5 u 379
2012-03-15 19:59:26 C 09 31 22.23 +42 21 20.3 c 127
2012-03-15 20:07:03 C 09 31 22.67 +42 21 23.2 c 127
2012-03-15 20:14:02 C 09 31 23.08 +42 21 26.2 c 127
2012-03-15 20:29:05 C 09 31 23.98 +42 21 31.7 c 127
2012-03-15 20:36:49 C 09 31 24.26 +42 21 43.8 u 160
2012-03-15 20:39:07 C 09 31 24.39 +42 21 44.6 u 160
2012-03-15 20:41:10 C 09 31 24.49 +42 21 45.3 u 160
2012-03-18 21:02:34 C 09 37 37.62 +42 42 57.1 u J51
2012-03-18 21:14:10 C 09 37 38.46 +42 43 00.5 u J51
2012-03-18 21:25:45 C 09 37 39.25 +42 43 03.9 u J51
2012-03-18 22:49:37 C 09 37 43.90 +42 42 55.2 u J93
2012-03-18 22:55:14 C 09 37 44.29 +42 42 55.9 u J93
2012-03-18 23:04:24 C 09 37 45.01 +42 42 57.3 u J93
2012-03-19 20:59:31 C 09 39 52.61 +42 47 32.0 u 160
2012-03-19 21:01:42 C 09 39 52.78 +42 47 32.3 u 160
Radar Observations (4)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2012-02-23 03:49:00 144453538.71 1 us 2380 -1 -1
2012-02-24 03:41:00 142926781.41 1 us 2380 -1 -1
2012-04-25 01:34:00 101829197.45 8 us 2380 -1 -1
2012-04-27 02:37:00 102564234.66 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)